"O. Panneerselvam has been continuously spreading false information among people regarding health conditions of former chief minister J. Jayalalithaa. O. Panneerselvam stands as the first culprit in the suspicions that he is now raising about the medical treatment that Amma was being given," Vijayabaskar said.

On February 28, twelve AIADMK MPs, belonging to the O Panneerselvam group, met President Pranab Mukherjee in New Delhi and handed over a petition seeking a probe into the medical treatment provided to Jayalalithaa before her demise on December 5.

The group also sought a probe into the incidents that occurred at Jayalalithaa's Poes Garden residence on September 22 before she was admitted to hospital.

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Lyrica, known generically as pregabalin, was originally developed for epilepsy but further research showed it could also help patients suffering from neuropathic pain, which soon became its main market.

With this acquisition, Nephroplus will further strengthen its servicing capacity as the dominant dialysis centre network and will have a presence in 18 states of India with 176 centers across 97 cities.